68 lines
2.0 KiB
Python
68 lines
2.0 KiB
Python
from pkg_resources import resource_filename
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import os,shutil
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import sys
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from migrate.versioning.base import *
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from migrate.versioning import pathed
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class Packaged(pathed.Pathed):
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"""An object assoc'ed with a Python package"""
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def __init__(self,pkg):
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self.pkg = pkg
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path = self._find_path(pkg)
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super(Packaged,self).__init__(path)
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@classmethod
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def _find_path(cls,pkg):
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pkg_name, resource_name = pkg.rsplit('.',1)
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ret = resource_filename(pkg_name,resource_name)
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return ret
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class Collection(Packaged):
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"""A collection of templates of a specific type"""
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_default=None
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def get_path(self,file):
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return os.path.join(self.path,str(file))
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def get_pkg(self,file):
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return (self.pkg,str(file))
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class RepositoryCollection(Collection):
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_default='default'
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class ScriptCollection(Collection):
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_default='default.py_tmpl'
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class Template(Packaged):
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"""Finds the paths/packages of various Migrate templates"""
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_repository='repository'
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_script='script'
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_manage='manage.py_tmpl'
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def __init__(self,pkg):
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super(Template,self).__init__(pkg)
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self.repository=RepositoryCollection('.'.join((self.pkg,self._repository)))
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self.script=ScriptCollection('.'.join((self.pkg,self._script)))
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def get_item(self,attr,filename=None,as_pkg=None,as_str=None):
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item = getattr(self,attr)
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if filename is None:
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filename = getattr(item,'_default')
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if as_pkg:
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ret = item.get_pkg(filename)
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if as_str:
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ret = '.'.join(ret)
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else:
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ret = item.get_path(filename)
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return ret
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def get_repository(self,filename=None,as_pkg=None,as_str=None):
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return self.get_item('repository',filename,as_pkg,as_str)
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def get_script(self,filename=None,as_pkg=None,as_str=None):
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return self.get_item('script',filename,as_pkg,as_str)
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def manage(self,**k):
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return (self.pkg,self._manage)
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template_pkg='migrate.versioning.templates'
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template=Template(template_pkg)
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